Warner h



'Nu'..6|o,|39. Patented Aug. 3o, 1398.

w. H. JENKINS.

CDNSTRUCTION 0F CONCRETE FLOORS FDR BUILDINGS.

(Application led Nov. 3, 1897.)

Witnesses. Invenor.

Attorney.

2 zo cross-bars extending between WARNER II. JENKINS, 0E PHILADELPHIA, PENNSYLVANIA, AssIGNoR, EY

MESN E ASSIGNMENTS, PLACE.

OF ONE-HALF i TO VIRGIVL w. WATERS, oE SAME CONSTRUCTION oF CONCRETE Frioons lFCR BuILmNcs.

. SPECIFICATION forming part of .Letters raient Ne.'v 610,139, dated August so, 189s. Application vfiled November 3, 1897. Serial Nal-657,274. (No model.)

To all whom it may concernr Be it known that I, WARNER H. JENKINS, a citizen of the' United States, residing in the city and county of Philadelphia and State of 5 Pennsylvania, have invented certain new and useful Improvements in the Construction of Concrete Floors for Buildings, of which the following is a full, clear, and exact descrip-V tion, reference being had to the accompany- :o ing drawings, of which Figure 1 is a transverse section through two I-beams of a building, showing the construc-l tion of my improved floor: Fig. 2 is av perspective view of the invention previous to lay- 15 ing the concrete.

a: Fig. 1, previous to laying the concrete. This invention relates to that class of floorings for buildingswhich are formed of -concrete supported by girders or I-beams' and by the Lbeams. The invention has for its object to produce such a floor, which shall be readily constructed, strong, and durable. l

The precise nature of the construction will 2 5 clearly appear from the following specification, in which also the particular improvements will be pointed out.

Referring to theaccompanying drawings, lV

marks two of theusual I-beams, whose ends '3o are supported in the. ,wa lls ofthebuilding in the usual manner. 2 are saddles placed j at suitable intervals apart and whose crowns rest'upon the top of the I-beams, as shown. The ends of the de- 354 pending limbs 3 of these saddles are turned 'upward to form a socket 4 and support for the longitudinal bars 5, whose upper edges project above the outer limb, forming one side of the said socket. These edgesare pro- 40' vided at suitable intervals with notches 6 some distance below thetop ofthe I-beams. The notches of the bar adjacent to one I- beam are opposite those of the bar-of theopposite I-beain. In these notches I lay cross- 45 bars 7, preferably threaded or twisted, as

shown, which are thus supported by the I- beams, as clearly shown in the drawings,

The parts are now in position for the lay- -ing ofthe concrete that's to constitute the 5e floor of the strueture.- In order to do this in up between the I -beams.

Bis al1-section on line,`

a convenient manner, 'I employ the temporary support for the concrete. (Seen in'Fig. 1.) This consists of a top board 8 .of any desired lengthand whose width is less than that between opposite feet of the two I-beams. To this board I attach, by 'means of 'hinges 9 at placethe 5s' i each side, a leg- 10.` Inv putting this device in'k l said legs arebrought into a vert-ical position (indicated in' dotted lines in Figfl) and the device is let down, or 4it may be put spread outwardly and their free ends Inade'to rest upon the ends of the feet of the respective -beams. I In order to prevent liability of the legs spreading andstraining'the hinges 49,11

notch 1 1, wherebywhile thu feet of the I-beams they have'a lateral bearing' against the edge ofthe latter, as clearly seen in Fig. 1. The Aconcrete 12 is now laid upon this temporary support, its upper surface-on of the I-beams.

a line slightly above the top usually make, at their free ends an oset or e legs rest upon the The entire space between that lineand said temporary support and-between tha-beams* is filled with concrete, the cross-bars and their supporting-barst, &c., being entirely embedded in the concrete.l

has become sufliciently set said support isremoved by drawing inwardly `the legs 10 into the vertical position,. whichv allows the device to pass feetl of the I-beams. said device in the supporting position, vI usudown between the When the latter or hardened, the

In order to lock the ally secure on the opposite inner sides ofthe I legs apertured lugs-1 3, into which are inserted thebent ends of a rod 14, as seen in Fig. 1.

-, It willbe seen that when the temporary liooring has been removed the under sidegcf the body of concrete may be said to be in "the form of an angular arch, whose ends 12aare supported by the feet of the I-beams',while the middleportion is sustained by the cross-bars` 7, that are in turn,`in elect, sustained by the The described construction -is extended" over the entire series of I-beams of the building, and thus a strong, firm, and durable fire- -proof floor is' provided.

Having thus described my invention.' I

6c The legsare then* of the I-beams, the series of saddles resting upon and depending therefrom, and provided with the sockets, the longitudinal bars resting in said sockets and having a series of notches in the upper edge thereof, the crossbars extending between opposite I-beams, and resting in thesaid notches, together with .the bodyof concrete having inwardly-im clined downward side extensions, resting upon the feet of the I-beams.

2. A skeleton support for a concrete fioor, consisting of the combination of the III-beams,

the series of'saddles resting upon and'depend ing therefrom, and having the sockets, the` longitudinal bars resting in said sockets and having a series of notches in the upper edge thereof, together with the cross-bars extendzo ing between opposite I-beams and resting in saidnotehes, substantially as described.

In testimony whereof I have hereunto affixed my signature this 6th day'of October, A. D. 1897.

WARNER H. JENKINS.

Witnesses: A

WALTER C. PUSEY, JOSHUA PUSEY. 

